Gres superieurs Formation

Grès supérieurs Formation
Stratigraphic range: Early Cretaceous Aptian–Albian
Type Geological formation
Unit of Savannakhet Basin, equivalent with units of Khorat Group
Lithology
Primary Sandstone Mudstone
Location
Region Savannakhet Province
Country  Laos

The Grès supérieurs Formation is a geological formation in Laos whose strata date back to the Early Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation. It is equivalent to the Khok Kruat Formation of Thailand.[1] Dinosaur remains are among the fossils that have been recovered from the formation.[1]

Vertebrate fauna

The Grès supérieurs Formation has also yielded remains of indeterminate iguanodontians, as well as ornithopod and sauropod tracks.

Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
 Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.
Dinosaurs reported from the Grès supérieurs Formation
Genus Species Location Stratigraphic position Material Notes Images

Mandschurosaurus

M. laosensis[1]

An indeterminate iguanodontian.

Tangvayosaurus

T. hoffeti[1]

"[Two] partial postcranial skeletons."[2]

A sauropod.

Titanosaurus

T. falloti[1]

An indeterminate sauropod.

Ichthyovenator

I. laosensis[1]

An incomplete skeleton.[2]

A spinosaurid.
  • Sauropod tracks[1]
  • Iguanodontia indet (=Mandschurosaurus laosensis)[1]
  • Euornithopod tracks[1]

See also

References

  1. 1 2 3 4 5 6 7 8 9 Weishampel, David B; et al. (2004). "Dinosaur distribution (Early Cretaceous, Asia)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 563-570. ISBN 0-520-24209-2.
  2. 1 2 "Table 13.1," in Weishampel, et al. (2004). Page 268.


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